'Even though there is no specific legislation regulating meal replacement products in the United States, these products are generally considered in the category of low-calorie, nutrient-dense foods or beverages for weight loss or weight maintenance.'.

It went on: 'In the absence of tier 3 services, patients cannot ordinarily access bariatric surgery and it has not been clear who has primary commissioning responsibility for these tier 3 services.' The working group, which included representatives …